Threshold static automated perimetry of the full visual field in idiopathic intracranial hypertension

Wall, Michael, Subramani, Ashwin, Chong, Luke X, Galindo, Ramon, Turpin, Andrew, Kardon, Randy H, Thurtell, Matthew J, Bailey, Jane A and Marin-Franch, Ivan 2019, Threshold static automated perimetry of the full visual field in idiopathic intracranial hypertension, Investigative ophthalmology and visual science, vol. 60, no. 6, pp. 1898-1905, doi: 10.1167/iovs.18-26252.

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Title Threshold static automated perimetry of the full visual field in idiopathic intracranial hypertension
Author(s) Wall, Michael
Subramani, Ashwin
Chong, Luke XORCID iD for Chong, Luke X
Galindo, Ramon
Turpin, Andrew
Kardon, Randy H
Thurtell, Matthew J
Bailey, Jane A
Marin-Franch, Ivan
Journal name Investigative ophthalmology and visual science
Volume number 60
Issue number 6
Start page 1898
End page 1905
Total pages 8
Publisher Association for Research in Vision and Ophthalmology
Place of publication Rockville, Md.
Publication date 2019-05
ISSN 0146-0404
Keyword(s) visual field
idiopathic intracranial hypertension
pseudotumor cerebri
ocular coherence tomography
Science & Technology
Life Sciences & Biomedicine
Summary Purpose: To characterize visual loss across the full visual field in idiopathic intracranial hypertension (IIH) patients with mild central visual loss. Methods: We tested the full visual field (50° nasal, 80° temporal, 30° superior, 45° inferior) of 1 eye of 39 IIH patients by using static perimetry (size V) with the Open Perimetry Interface. Participants met the Dandy criteria for IIH and had at least Frisén grade 1 papilledema with better than -5 dB mean deviation (MD) centrally. Two observers (MW and AS) evaluated the visual field defects, adjudicated any differences, and reviewed optical coherence tomography data. Results: We found a greater MD loss peripherally than centrally (central 26°). The median MD (and corresponding median absolute deviations) was -1.37 dB (1.61 dB) for the periphery and -0.77 dB (0.87 dB) for the central 26°, P < 0.001. There were about 30% more abnormal test locations identified in the periphery (P = 0.12), and the mean defect depth increased with eccentricity (P < 0.001). The most frequent defect found was a temporal wedge (23% of cases) in the periphery with another 23% that included this sector with inferior temporal loss. Although the presence of papilledema limited correlation, 55% of the temporal wedge defects had optical coherence tomography retinal nerve fiber layer deficits in the corresponding superonasal location. Other common visual field defects were inferonasal loss, superonasal loss, and superior and inferior arcuate defects. Seven patients (18%) had visual field defects in the periphery with normal central visual field testing. Conclusion: In IIH patients, we found substantial visual loss both outside 30° of the visual field and inside 30° with the depth of the defect increasing linearly with eccentricity. Temporal wedge defects were the most common visual field defect in the periphery. Static threshold perimetry of the full visual field appears to be clinically useful in IIH patients.
Language eng
DOI 10.1167/iovs.18-26252
Indigenous content off
Field of Research 11 Medical and Health Sciences
06 Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2019, The Authors
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